CAPITAL STOCK (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Capital Stock Paragraph Details [Abstract]
Preferred Stock, Shares Authorized	40,000,000
Common Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Common Stock, Shares Authorized	2,000,000,000
Common Shares par value	$ 1
Treasury Stock [Member]
Equity, Class of Treasury Stock [Line Items]
Authorized Amount Of Common Stock Value Of Share Repurchase Program	$ 10,000
Stock Repurchase Program Remaining Authorized Repurchase Amount	$ 3,300	$ 7,000
Stock Repurchased During Period Shares	(20,700,000)	(26,500,000)
Reacquired stock or repurchases of common stock	$ 3,714	$ 4,400